Because the Blu-ray disc data layer is closer to the ground, CD, DVD, standard, it is in the first vulnerable to scratch. The first disc cartridge is placed in seeking to protect.
TDK was the first company to develop a working scratch protection coating for Blu-ray discs. It was named Durabis. In addition, both Sony and Panasonic's replication methods include proprietary hard-coat technologies. SONY media spin - coated discourses and wear resistance and antistatic coating. Literally, the record of Blu-ray disc use sits own private hard-core coat - ScratchGuard technology.